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Me with the milk for tea and coffee at Parents Association meeting just about every single time.

Our cat is definitely not convinced that 1) we have curfew time correct and 2) she is being fed at correct intervals

I applaud the sentiment and query the sentence structure

Easter

Tiger with her reflection in a pond.

Quick trip to the zoo with Ms 18. This lady was putting on quite a show with rolling and roaring.

D3 symmetry in a kitchen sink (probably original to the house which was built in the seventies). My parents’ home but not the one I grew up in.

I’ve never seen one in the wild

More than just playing: investigating teacher-student interactions in game-based mathematics lessons Mathematical games are widely used in primary classrooms, but their potential to foster reasoning depends not just on game design but on how teachers frame and facilitate mathematical dialogue. Thi...

Full article: More than just playing: investigating teacher-student interactions in game-based mathematics lessons www.tandfonline.com/doi/full/10....

Just appeared online recently. Games are widely used in mathematics lessons...but how does what the teacher does enhance the learning from a game?

If you are the right place on the bank, you can see that some of the supports are further apart than others. Where it got fixed.

Questions about what does "anywhere on earth" mean. If you submit on the specified day before midnight (like Cinderella) in the time zone where you are, then you are fine. Of course, if you want to imagine you live in the middle of the Pacific Ocean...double check your calculations!

Are they cuboids?

It definitely is. Laura @mathgrrl.com has documented meticulously and finished the piece so beautifully and included so many people and supported them with app and video tutorials and…

The fifth time is indeed the charm. Writing it all up neatly and nothing has come unstuck! The diagram on half a sheet of paper from several months ago, which I had convinced myself only needed fleshing out a bit when I got around to it was, in fact, not the charm.

Ms 18 thinks it is very impressive, until I was unable to pick out the square that I made...

Large hanging crochet granny square artwork with a red theme

Day ☀️♥️

Ah, it is Wednesday (again)....

Only a few days left to submit a short paper or a workshop paper. I'm workshop chair and looking forward to seeing what is submitted!

I am now up to the fifth time that I think I have proved this thing. Ms 18 (who is the same person that I have called Ms 19 recently in error, it being a new year(!)) is a maths major and she has watched the process of a mathematician trying to establish something for most of her summer break.

Our International Day of Mathematics events includes 2 special magic shows by Tadashi Tokieda at the Chau Chak Wing Museum on Sat 14 & Sun 15 March 12:30 pm

'A magic show' will be for both curious children 🧒 & seasoned scientists alike! 🪄👩‍🔬 🎩

🧮 events.humanitix.com/a-magic-show...

#MathSky

My daughter: Mum, what day is it today, and what do you think I got at work?

Me: Shrove Tuesday...Pancakes? (Seemed unlikely, but remotely possible.)

Daughter: It's Lunar New Year, and I got a "red packet".

My book appeared on the Bookshelf of the Notices of the American Mathematical Society! (September 2025.)

www.ams.org/journals/not...

A poster for the public lecture. The background is a man (Tadashi Tokieda) flying a white kite over a sunny beach

'A world from a sheet of paper' - SMRI's #InternationalDayOfMathematics public lecture by Tadashi Tokieda will be on Fri 13 March

Starting from a sheet of paper, explore magic tricks and geometry in this lecture filled with table-top demonstrations

🔗 events.humanitix.com/internationa...

#MathSky🧮

I think I have a proof of something for a paper I have been writing. However, this is the third time that I’ve thought this, so I’m more hopeful than triumphant.

There's a whole academic integrity community that I was part of on the old platform (delete X here). Unfortunately, it has not migrated here. The short answer is that absolutely universities should (and many do) have policies about this.

During a faculty debate this morning on the topic of using AI to help grade assignments, I pointed out that students should have the right to opt out of having their work uploaded to an LLM (or any external system, like Turnitin). Does anyone know of any cases or laws or policies that support this?

Interleaved Friezes: Celtic Knotwork and Hitomezashi Both Celtic knotwork and strips of hitomezashi stitching can be interpreted as being two-sided friezes wherein the patterns on the sides are interleaved. We prove which of the thirty-one two-sided fri...

arxiv.org/abs/2602.00178 I've been quiet lately, because I have been writing.

Day 6 of the math-art class I’m leading. The main activities: lunch and share outs with the math and music class, and setting up an art gallery and pairs of our kids each showing their art pieces and doing an art project with 3 kindergartners. Each pair created their own lesson plan! #mathart #mtbos

Photo of a Book “Beading with Algorithms: Cellular Automata in Peyote Stitch” by Gwen Fisher and Roger Antonsen, World Scientific, with a QR code.

Text about the book and information about the two authors.

I started this project twelve years ago, and today I hold the result in my hand. It’s a book that combines bead weaving with math called, “Beading with Algorithms: Cellular Automata in Peyote Stitch.”

This book is the first of its kind, a recipe book of algorithms for making pixel art.

My go-to recently on these 40 degree days is salade nicoise, because even the selective eater will eat some parts of it (e.g. the white part of the egg(!)). And I do the potatoes and beans in the microwave to generate the least amount of extra heat. But it's not a last minute meal.